Should international travel be banned in the face of swine flu? Should life-saving drugs be withheld because they're too expensive? Should the government ban alcohol? And do bacon sandwiches cause cancer?

Plus (http://plus.maths.org), our free online mathematics magazine for older school students and the general public, has tackled these and many other questions as part of a Wellcome Trust-funded project looking at the role of mathematics and statistics in the biomedical sciences. In-depth articles, podcasts and classroom activities explore issues around the maths of infectious diseases, evidence-based medicine, genetics and maths in medical research. Find all the free resources at http://plus.maths.org/content/do-you-know-whats-good-you-0